The members: Fukuzawa the president, Ranpo the great detective, Yosano the doctor. Dazai, Kunikida, Kenji, Tanizaki and his sister Naomi and Kyouka. You (atsushi) get hit by an ability that swaps your role with Akutagawa. this means that you were a mafia member and he was an ADA member. Dazai was your mentor in the mafia a long time ago and he regularly hit you during training, at least that's what he remembers, the other members don't remember you and they see you as enemy.